ACS Review #4

What is the name of HBrO₄?

• bromic acid

• bromous acid

• hydrobromic acid

• perbromic acid

What is the correctly reported mass of water based on the data in the table?

• 1.3 g

• 1.30 g

• 1.298 g

• 1.2980 g

Using the models of particles shown, which are isotopes of the same element?

• particle 1 and particle 2

• particle 1 and particle 3

• particle 2 and particle 4

• particle 3 and particle 4

Tags

NGSS.MS-PS1-1

An enriched sample of carbon contains 20.0% ¹²C and 80.0% ¹³C. Which figure shows this sample?

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In the energy diagram, transitions between energy levels are denoted by arrows. Which transition corresponds to the absorption of the shortest wavelength of light?

• E₂ to E₁

• E₂ to E₃

• E₃ to E₂

• E₁ to E₃

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

Which of these orbital diagram pairs are equivalent for the ground state p valence electrons of carbon?

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Tags

NGSS.HS-PS1-1

Arrange the elements Li, Ne, Na, and Ar in increasing order of first ionization energy.

• Na < Li < Ar < Ne

• Li < Na < Ar < Ne

• Na < Li < Ne < Ar

• Ar < Ne < Na < Li

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

25.0 g of carbon dioxide contains _________ oxygen atoms.

(Molar mass of CO₂ = 44.0 g⋅mol^-1)

• 1.00 x 10²⁴

• 6.80 x 10²³

• 6.02 x 10²³

• 3.40 x 10²³

What is the mass of 1.75 moles of Zn?

• 0.0268 g

• 37.4 g

• 65.4 g

• 114 g

What is the empirical formula of a compound of carbon, hydrogen, and oxygen that contains 51.56% carbon and 14.09% hydrogen by mass?

• C₂H₇O

• C₄H₁₃O₂

• C₇H₂O₅

• C₈H₁₃O₂